23.8.7.57 mysql_rollback()

my_bool mysql_rollback(MYSQL *mysql)

Description

Rolls back the current transaction.

The action of this function is subject to the value of the
completion_type system
variable. In particular, if the value of
completion_type is
RELEASE (or 2), the server performs a release
after terminating a transaction and closes the client
connection. Call mysql_close()
from the client program to close the connection from the client
side.